158561011200 has 240 divisors, whose sum is σ = 529208784720. Its totient is φ = 41846046720.

The previous prime is 158561011183. The next prime is 158561011243. The reversal of 158561011200 is 2110165851.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3703516 + ... + 3746084.

It is an arithmetic number, because the mean of its divisors is an integer number (2205036603).

Almost surely, 2^158561011200 is an apocalyptic number.

158561011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158561011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264604392360).

158561011200 is an abundant number, since it is smaller than the sum of its proper divisors (370647773520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158561011200 is an equidigital number, since it uses as much as digits as its factorization.

158561011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42697 (or 42676 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 30.

The spelling of 158561011200 in words is "one hundred fifty-eight billion, five hundred sixty-one million, eleven thousand, two hundred".